
Universe Size Comparison: From the Solar Syst em to the Observable Universe (True Scale)
5 Video Views·Apr 29, 2026
As a Planetary Scientist and science communicator, I've wanted to make this video for years: a true sense of scale, the way I picture it. Every size, axial tilt, rotation speed and oblateness is accurate where data exist (estimated values are marked). Rotation speed: 1 second = 1 hour.
